json_extract() and json_extract_scalar() now support escaping double
quotes or backslashes using a backslash with a JSON path subscript. This changes
the semantics of any invocation using a backslash, as backslashes were previously
treated as normal characters.

Add new, experimental, RCFile writer optimized for Presto. The new writer can be enabled with the
rcfile_optimized_writer_enabled session property or the hive.rcfile-optimized-writer.enabled
Hive catalog property.

Cassandra Changes

Add predicate pushdown for clustering key.

MongoDB Changes

Allow SSL connections using the mongodb.ssl.enabled config flag.

SPI Changes

ConnectorIndex now returns ConnectorPageSource instead of RecordSet. Existing connectors
that support index join can use the RecordPageSource to adapt to the new API.